Jennifer Aniston is still ''madly in love'' with Justin Theroux.

The couple, who recently postponed their summer wedding due to their hectic schedules, are spending as much time as they can together and want to get married by the end of the year, even though they haven't finalised any plans yet.

A source close to the former 'Friends' star, 44, who is currently filming her new movie, 'Squirrels to the Nuts', in New York City, told Us Weekly magazine that the actress and her 41-year-old fiance, who got engaged last August, are still ''madly in love'' and their wedding is still definitely on even though they are too busy to plan it.

The insider added that Jennifer has the full support of her fiance as she focuses on her career and he has been a regular visitor on the set of her movie.

The source said: ''Justin hangs in Jen's trailer while she shoots.''

It was previously reported that the couple were arguing about whether to live in New York or Los Angeles after they get married and the issue caused them to delay their nuptials.

But the insider insisted all is well between them, adding: ''They just haven't finalised plans yet!''